LeadKit/TIWebView/Sources/Views/ViewModels/BaseWebViewModel.swift

77 lines
2.7 KiB
Swift

//
// Copyright (c) 2022 Touch Instinct
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the Software), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
import WebKit
open class BaseWebViewModel: NSObject, WebViewModelProtocol {
public var injector: BaseWebViewUrlInjector
public var navigator: BaseWebViewNavigator
public var errorHandler: BaseWebViewErrorHandler
// MARK: - Init
public init(injector: BaseWebViewUrlInjector = .init(),
navigator: BaseWebViewNavigator = .init(),
errorHandler: BaseWebViewErrorHandler = .init()) {
self.injector = injector
self.navigator = navigator
self.errorHandler = errorHandler
super.init()
}
// MARK: - Open methods
open func makeUrlInjection(forWebView webView: WKWebView) {
injector.inject(on: webView)
}
open func shouldNavigate(toUrl url: URL) -> WKNavigationActionPolicy {
navigator.shouldNavigate(toUrl: url)
}
open func handleError(_ error: Error, url: URL?) {
errorHandler.didRecievedError(.init(url: url, error: error))
}
// MARK: - WKScriptMessageHandler
open func userContentController(_ userContentController: WKUserContentController,
didReceive message: WKScriptMessage) {
if message.name == WebViewErrorConstants.errorMessageName {
let error = parseError(message)
errorHandler.didRecievedError(error)
}
}
// MARK: - Private methods
private func parseError(_ message: WKScriptMessage) -> WebViewErrorModel {
let body = message.body as? [String: Any]
let error = body?[WebViewErrorConstants.errorPropertyName] as? String
return .init(jsErrorMessage: error)
}
}